The diameter of a roller is 84 cm and its length is 120 cm. It takes 600 complete revolutions to move once over to level a playground. Find the area of the playground in ma.

What are the differences between similar triangles and congruent triangles?

What are Armstrong numbers?

All real numbers are rational numbers.

A) True

B) False

The L.C.M of the smallest 2 digit composite number and the smallest composite number is:

• (a) 12
• (b) 4
• (c) 20
• (d) 44

Are all natural numbers also whole numbers?